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Imaging in depth

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Proceedings Papers

Paper presented at the 1996 SEG Annual Meeting, November 10–15, 1996
Paper Number: SEG-1996-0581
... upstream oil & gas imaging interpreter interpretation seismic imaging migration sedimentary model reservoir characterization MIG 6.6 Seismic: imaging in depth, an interpreter s game Philip S. Schultz* and Michael J. &Noble, Advanced Data Solutions, Inc. Summary Geological interpretation is...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-2674
... Summary Integration of seismic and magnetotelluric data for subbasalt imaging in the Columbia River Basin is implemented in a prestack depth migration (PSDM) workflow by means of simultaneous joint inversion of seismic and magnetotelluric residuals. The layer-stripping joint inversion and...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 10–13, 2014
Paper Number: SPE-172147-MS
... tomography in a 3D sense proved to be useful during the initial time domain processing for deriving statics corrections to minimize these distortions and mitigate different causes of statics problems. A key element of the reprocessing objectives was to generate an image in depth using prestack migration...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-0833
... interpretive experience, seismic velocity estimation, and guidance from 3- D gravity control · Pre-stack depth imaging techniques. A robust, integrated workflow with associated analytical tools has been designed to create a high quality seismic database that provides both regional scale and image detail in...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1482
... imaging anisotropic inversion reservoir characterization Improvements in the subsurface imaging of a deep water offshore Angola prospect: A review of the various depth imaging projects from isotropic to TTI prestack depth migration Jinming Zhu * , Mark Greenwood, Richard Perkins, Pranab Sen , and...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214811
... Scientific Investigations Map 3172. Extended-POCS 5D technology and enhanced depth imaging leads to improved well planning and geosteering performance of the Unconventional Shale Gas Reservoirs David Hren*, King Sim Lee, Tianjiang Li, In-Depth Geophysical; Kai Zhang, Casey Hagbo, Chevron Summary During...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214807
... – 4084 , doi: 10.1190/segam2018-2997973.1 . 1 SEAM Phase II Barrett model classic data study: processing, imaging and attributes analysis Justin Tan*, Tianjiang Li, Firas Jarrah, King Lee, In-Depth Geophysical, Inc.; Rob Holt, Norbert Van De Coevering, Klaas Koster, Occidental Petroleum...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214775
... friendly compressive seismic data processing flows are designed and performed to preserve the gas pocket amplitude anomalies and to resolve the target reservoir interval imaging. Post-migration L1 Frequency Normalization has further improved the image resolution to assist in structural and amplitude...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215159
... . Compressive Sensing Seismic Processing Tests On A High Density Blended Land Data Set Tao Jiang*, Peter Eick, Yifeng Jiang - In-Depth Compressive; Tianjiang Li, Haibo Hao, Wensheng Chu - In-Depth Geophysical; Robert Holt, Dustin Blymyer, Klaas Koster, Donnie Enns - Occidental Petroleum Corporation Summary...
Proceedings Papers

Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-0400
...-stack imaging in depth provides the opportunity to more fully exploit the hydrocarbon potential of these difficult areas. Legacy or vintage data sets are also amenable to reexamination using these new pre-stack depth imaging tools. However, the PSDM method is more demanding of the data requirements than...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21382-MS
.... The imaging results from the existing 3D legacy data were too poor to identify and interpret structural traps in the seismic section. Seismic data processing and depth imaging of data acquired in mountainous areas are contaminated by various kinds of noises, especially ground roll and scattering...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5932224
..., pre-stack depth migration (e.g. RTM) can render superior structural images (Claerbout, 1985) of the subsurface. However, the accuracy of RTM relies on an available and reliable velocity model, especially in complex geology. Various technologies, including seismic tomography (Bishop, 1985; Stork, 1992...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19584-Abstract
... tomographic least-squares inversion of residual move-out in Kirchhoff prestack-depth-migration common-image gathers . Geophysics, 73 , 5 , VE13 – VE23 . Weglein , A. B. , Araujo Gasparotto , F. V. , Carvalho , P. M. and Stolt , R. H. , 1997 , An inverse-scattering series method for...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-3938
... source to receiver azimuth contribution of traces in common image point gathers (CIPs) when performing residual moveout (RMO) analysis (Woodward et al. 2008). This paper will discuss the multi azimuthal tomography velocity model building workflow and depth imaging of the Tulip survey. In addition a...
Proceedings Papers

Paper presented at the 2003 SEG Annual Meeting, October 26–31, 2003
Paper Number: SEG-2003-1771
... Summary A high-quality 3D pre-stack Kirchhoff depth imaging has significantly improved seismic images over a production field in the Gulf of Mexico. Higher frequency content, relative amplitude preservation, better steep dip accuracy and improved images around and below the salt dome have...
Proceedings Papers

Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-1236
...-equation migration internat upstream oil & gas popovici kirchhoff shot profile migration wavefield biondi approximation Which depth imaging method should we use? A roadmap in the maze of 3-D depth imaging Dimitri Bevc*, 3DGeo Development Inc. and Biondo Biondi, Stanford University. Summary...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215220
...*, Peter Eick, Yifeng Jiang - In-Depth Compressive; Bin Gong, Justin Tan, Tianjiang Li - In-Depth Geophysical; Klaas Koster, Donnie Enns, Robert Holt - Occidental Petroleum Corporation Summary Over the past several years, U.S shale oil and gas production rate has risen faster than any other area in the...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17632009
... complex environments compel us to look for ways to overcome these assumptions as they are violated. Using the depth migration velocity model, we apply an offset dependent traveltime summation as the moveout correction for reflection static calculations in depth imaging. Presentation Date: Wednesday...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29893-MS
... Abstract This work aims to perform a comparison of depth imaging results using values not commonly used for source and receiver intervals to prove that it is possible to obtain good results, in terms of the quality of seismic sections, with less data, which can significantly reduce petroleum...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214990
... ABSTRACT We compare two iterative approaches for depth-migration velocity analysis by image-wave continuation in CIGs. One implementation aims at updating the whole model in each iteration, whereas the other updates it one layer at a time, from top to bottom. Previous investigations found that...

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